Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975235 | Method for producing amino methylated bead polymerizates | Bernd Koop, Areski Rezkallah, Pierre Vanhoorne, Reinhold Klipper, Sladjana Baljak | 2021-04-13 |
| 9701632 | Process for the production of phthalimides | Wolfgang Zarges, Uwe Boeger, Michael Pies, Guido Issling, Markus Koschorreck | 2017-07-11 |
| 9079177 | Methylene aminoethyl sulfonic acid chelating resins | Michael Schelhaas, Pierre Vanhoorne, Reinhold Klipper | 2015-07-14 |
| 8211950 | Amphoteric ion exchangers | Reinhold Klipper, Hans-Karl Soest, Ulrich Litzinger, Michael Schelhaas | 2012-07-03 |
| 7851584 | Process for preparing monomer complexes | Doetze Jakob Sikkema, David J. Rodini, Hasan Dindi, James Schultz, Ralf Demuth +1 more | 2010-12-14 |
| 7683122 | Processes for increasing polymer inherent viscosity | Doetze Jakob Sikkema, David J. Rodini, Qinghong Fu Adkins, Steven R. Allen, Ralf Demuth +1 more | 2010-03-23 |
| 6667349 | Method for producing osmotically and mechanically stable gel-like anion exchangers | Holger Lutjens, Reinhold Klipper, Alfred Mitschker, Michael Holzbrecher | 2003-12-23 |
| 6458954 | Process for preparing piperidines | Guido Giffels, Herbert Diehl, Lutz Frohn, Erich Hammerschmidt | 2002-10-01 |
| 6392044 | Racemization of R,S-dioxo-benzylpyrrolopiperidine | Herbert Diehl, Wilfried Jaworek, Andreas Krebs, Joachim Westen | 2002-05-21 |
| 5616730 | Process for preparing succinic anhydride | Joerg-Dietrich Jentsch, Eberhard Zirngiebl | 1997-04-01 |